Sash lift and lock.



No. 334,332. I Patented Oct. 3, I899.

.0. GARDNER.

SASH LIFT AND LOCK.

(Application filed Oct. 13, 1898.)

UNITED STATES PATENT Erica.

DANIEL GARDNER, OF NEVBURG, NE\V YORK.

SASH LIFT AND LOCK.

SPECIFICATION formingpart of Letters Patent No. 634,332, dated October3, 1899.

Application filed October 13, 1898. Serial No. 693,415. (No modelfi 1baZZ whom it may concern:

Be it known that I, DANIEL GARDNER,a citizen of the UnitedStates,residin g at Newburg, in the county of Orange and State of NewYork, have invented certain new and useful Improvements in Sash Liftsand Locks; and I do hereby declare the following to be a full, clear,and exact description of the invention, such as will enable othersskilled in the art to which it appertains to make and use the same.

My invention is an improvement in sash lifts and fasteners; and itconsists in the novel features hereinafter described, reference beinghad to the accompanying drawings, which illustrate one form in which Ihave contemplated embodying my invention, and said invention is fullydisclosed in the following description and claim.

Referring to the said drawings, Figure 1 is a front view of the lowerpart of a window casing and sash, showing my improved sash lift andfastener secured thereto, the sash being slightly raised from the bottomof the casing. Fig. 2 represents a transverse section on the line 2 2 ofFig. 1, drawn to an enlarged scale. Fig. 3 is a similar view showing thewindow-sash in its lowest position and locked to the casing. Fig. 4 is aperspective View of the parts of my improved sash lift and fastener,taken from the rear. Fig. 5 is a detail view of the lifter-plate. Fig. 6is a detail view showing the preferred manner of attaching the lower endof the lifter-plate arms to the face-plate.

In the drawings, A represents a Windowsash adapted to slide verticallyin a windowcasing B in the usual manner. The lower horizontal bar of thewindow-sash is provided, preferably centrally,with a recess ain itsfront face, over which is placed the face-plate O, which is secured tothe bar of the sash by means of screws passing through apertures c inthe plate. The plate may also be provided at its lower edge with aninwardly-extending lip or flange o, if desired.

D represents a flat spring-plate secured at its upper end rigidly to theface-plate, preferably by means of a rivet, as shown at d, and havingits lower end provided with a locking stud or bolt 01, provided with abeveled face (1 The face-plate O is provided with an aperface-plate thelifter-plate E is provided with I downwardly-extending arms e e, thelower ends of which are connected to the face-plate by a pivotalconnection, permitting the lifterplate E to move in and out a shortdistance through the slot 0 I have found in practice that a cheap andeflicient means of securing these arms to the face-plate is by rivetingthem, as shown at e, and allowing a slight play between the arms 6 andthe heads of the rivets e. The rivets pass through apertures e in thelower ends of the arms 6, which apertures are slightly larger than theportion of the rivets between their heads.

The arms e of the lifter-plate are connected below the lifter-plate by across-bar a which lies beneath the spring-plate D, so that when Ipressure is exerted on the lower side of the lifter-plate saidlifter-plate will be pushed inwardly and the cross-bar 6 will press thespring-plate D away from the face-plate O and withdraw the locking studor bolt, so that a further upward pressure upon the lifter-plate willraise-the window-sash.

By reference to Fig. 3 it will be observed that the rear edge of thecross-bar 0 which engages the spring-plate D, is in a different verticalplane from the rear edge e of the lifter-plate, so that there is aslight space between the rear edge of the lifter-plate and thespring-plate D. When the lifter-plate is pressed upwardly and inwardly,so as to withdraw the locking-stud d, the rear edge e of thelifter-plate will strike the spring-plate D at a point much nearer toits connection with the face-plate than the cross-bar 6 and this willform a stop to limit the inward movement of the lifter-plate, so thatthe further upward pressure exerted upon said lifterplate will elevatethe sash. This construction greatly simplifiesthe device.

F represents a horizontal portion of the window-casing, the rear face ofwhich is provided with a recess f to receive the lockingstud cZf' whenthe window-sash is closed, and the said part F is preferably providedwith a retaining-plate G. (Shown in detail in Fig. 4.) This plate isprovided centrally with an inclined portion g, adapted to be engaged bythe beveled portion of the locking-stud, and with an aperture g toreceive the lockingstud. The plate G is also provided with screwholes 9so that it can be attached to the part F.

Vhat I claim, and desire to secure by Letters Patent, is-

In a combined sash lift and lock the combination with the face-plateprovided with a transverse slot therein, of a spring secured to theface-plate extending perpendicularly across said slot and provided atits free end with a locking-stud,a movable lifterplate having ahorizontal portion extending through the slot in the face-plate andmovable therethrough, and downwardly-extending arms on the rear side ofsaid face-plate secured at their lower ends to the said plate, said armsbeing connected by a cross-bar lying between the spring-plate and theface-plate, for engaging the spring-plate, the horizontal portion ofsaid lifter-plate having its rear edge adapted to engage thespring-plate between its point of attachment and its point of engagementwith the said cross-bar, to limit the inward movement of the saidhorizontal portion of the lifter-plate, substantially as described.

In testimony whereof I afiix my signature in the presence of twowitnesses.

DANIEL GARDNER.

\Vitnesses:

W. M. TERPENING, F. R. WILLIAMS.

